Merge github.com:grpc/grpc into fuzzy-bits

4 files changed, 100 insertions, 1412 deletions

diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 12ead1a631..3319c2cb1c 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -939,9 +939,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_parser_test", 
     "src": [
-      "test/core/httpcli/format_request_test.c"
+      "test/core/http/parser_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -955,9 +955,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_fuzzer_test", 
+    "name": "http_request_fuzzer_test", 
     "src": [
-      "test/core/httpcli/fuzzer.c"
+      "test/core/httpcli/request_fuzzer.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -971,9 +971,25 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "http_response_fuzzer_test", 
     "src": [
-      "test/core/httpcli/parser_test.c"
+      "test/core/httpcli/response_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "httpcli_format_request_test", 
+    "src": [
+      "test/core/http/format_request_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -989,7 +1005,7 @@
     "language": "c", 
     "name": "httpcli_test", 
     "src": [
-      "test/core/httpcli/httpcli_test.c"
+      "test/core/http/httpcli_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -1005,7 +1021,7 @@
     "language": "c", 
     "name": "httpscli_test", 
     "src": [
-      "test/core/httpcli/httpscli_test.c"
+      "test/core/http/httpscli_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -3546,23 +3562,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_uds_test", 
     "src": [
       "test/core/end2end/fixtures/h2_uds.c"
@@ -3784,23 +3783,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "h2_uchannel_nosec_test", 
-    "src": [
-      "test/core/end2end/fixtures/h2_uchannel.c"
-    ], 
-    "third_party": false, 
-    "type": "target"
-  }, 
-  {
-    "deps": [
-      "end2end_nosec_tests", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "h2_uds_nosec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_uds.c"
@@ -4031,7 +4013,6 @@
       "src/core/channel/channel_stack.h", 
       "src/core/channel/channel_stack_builder.h", 
       "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.h", 
       "src/core/channel/compress_filter.h", 
       "src/core/channel/connected_channel.h", 
       "src/core/channel/context.h", 
@@ -4059,9 +4040,9 @@
       "src/core/compression/algorithm_metadata.h", 
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.h", 
+      "src/core/http/format_request.h", 
+      "src/core/http/httpcli.h", 
+      "src/core/http/parser.h", 
       "src/core/iomgr/closure.h", 
       "src/core/iomgr/endpoint.h", 
       "src/core/iomgr/endpoint_pair.h", 
@@ -4093,6 +4074,7 @@
       "src/core/iomgr/timer.h", 
       "src/core/iomgr/timer_heap.h", 
       "src/core/iomgr/udp_server.h", 
+      "src/core/iomgr/unix_sockets_posix.h", 
       "src/core/iomgr/wakeup_fd_pipe.h", 
       "src/core/iomgr/wakeup_fd_posix.h", 
       "src/core/iomgr/workqueue.h", 
@@ -4202,8 +4184,6 @@
       "src/core/channel/channel_stack_builder.h", 
       "src/core/channel/client_channel.c", 
       "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.c", 
-      "src/core/channel/client_uchannel.h", 
       "src/core/channel/compress_filter.c", 
       "src/core/channel/compress_filter.h", 
       "src/core/channel/connected_channel.c", 
@@ -4258,13 +4238,13 @@
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.c", 
       "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.c", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.c", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/httpcli_security_connector.c", 
-      "src/core/httpcli/parser.c", 
-      "src/core/httpcli/parser.h", 
+      "src/core/http/format_request.c", 
+      "src/core/http/format_request.h", 
+      "src/core/http/httpcli.c", 
+      "src/core/http/httpcli.h", 
+      "src/core/http/httpcli_security_connector.c", 
+      "src/core/http/parser.c", 
+      "src/core/http/parser.h", 
       "src/core/iomgr/closure.c", 
       "src/core/iomgr/closure.h", 
       "src/core/iomgr/endpoint.c", 
@@ -4330,6 +4310,9 @@
       "src/core/iomgr/timer_heap.h", 
       "src/core/iomgr/udp_server.c", 
       "src/core/iomgr/udp_server.h", 
+      "src/core/iomgr/unix_sockets_posix.c", 
+      "src/core/iomgr/unix_sockets_posix.h", 
+      "src/core/iomgr/unix_sockets_posix_noop.c", 
       "src/core/iomgr/wakeup_fd_eventfd.c", 
       "src/core/iomgr/wakeup_fd_nospecial.c", 
       "src/core/iomgr/wakeup_fd_pipe.c", 
@@ -4658,7 +4641,6 @@
       "src/core/channel/channel_stack.h", 
       "src/core/channel/channel_stack_builder.h", 
       "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.h", 
       "src/core/channel/compress_filter.h", 
       "src/core/channel/connected_channel.h", 
       "src/core/channel/context.h", 
@@ -4686,9 +4668,9 @@
       "src/core/compression/algorithm_metadata.h", 
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.h", 
+      "src/core/http/format_request.h", 
+      "src/core/http/httpcli.h", 
+      "src/core/http/parser.h", 
       "src/core/iomgr/closure.h", 
       "src/core/iomgr/endpoint.h", 
       "src/core/iomgr/endpoint_pair.h", 
@@ -4720,6 +4702,7 @@
       "src/core/iomgr/timer.h", 
       "src/core/iomgr/timer_heap.h", 
       "src/core/iomgr/udp_server.h", 
+      "src/core/iomgr/unix_sockets_posix.h", 
       "src/core/iomgr/wakeup_fd_pipe.h", 
       "src/core/iomgr/wakeup_fd_posix.h", 
       "src/core/iomgr/workqueue.h", 
@@ -4814,8 +4797,6 @@
       "src/core/channel/channel_stack_builder.h", 
       "src/core/channel/client_channel.c", 
       "src/core/channel/client_channel.h", 
-      "src/core/channel/client_uchannel.c", 
-      "src/core/channel/client_uchannel.h", 
       "src/core/channel/compress_filter.c", 
       "src/core/channel/compress_filter.h", 
       "src/core/channel/connected_channel.c", 
@@ -4870,12 +4851,12 @@
       "src/core/compression/message_compress.h", 
       "src/core/debug/trace.c", 
       "src/core/debug/trace.h", 
-      "src/core/httpcli/format_request.c", 
-      "src/core/httpcli/format_request.h", 
-      "src/core/httpcli/httpcli.c", 
-      "src/core/httpcli/httpcli.h", 
-      "src/core/httpcli/parser.c", 
-      "src/core/httpcli/parser.h", 
+      "src/core/http/format_request.c", 
+      "src/core/http/format_request.h", 
+      "src/core/http/httpcli.c", 
+      "src/core/http/httpcli.h", 
+      "src/core/http/parser.c", 
+      "src/core/http/parser.h", 
       "src/core/iomgr/closure.c", 
       "src/core/iomgr/closure.h", 
       "src/core/iomgr/endpoint.c", 
@@ -4941,6 +4922,9 @@
       "src/core/iomgr/timer_heap.h", 
       "src/core/iomgr/udp_server.c", 
       "src/core/iomgr/udp_server.h", 
+      "src/core/iomgr/unix_sockets_posix.c", 
+      "src/core/iomgr/unix_sockets_posix.h", 
+      "src/core/iomgr/unix_sockets_posix_noop.c", 
       "src/core/iomgr/wakeup_fd_eventfd.c", 
       "src/core/iomgr/wakeup_fd_nospecial.c", 
       "src/core/iomgr/wakeup_fd_pipe.c", 
diff --git a/tools/run_tests/stress_test/README.md b/tools/run_tests/stress_test/README.md
index 80e4cd58f0..1a48e90c69 100644
--- a/tools/run_tests/stress_test/README.md
+++ b/tools/run_tests/stress_test/README.md
@@ -30,6 +30,27 @@
 3. Install Google Cloud SDK. Instructions [here](https://cloud.google.com/sdk/). This installs the `gcloud` tool

 4. Install `kubectl`, Kubernetes command line tool using `gcloud`. i.e

     - `$ gcloud components update kubectl`

+    - NOTE: If you are running this from a GCE instance, the command may fail with the following error:

+    ```

+     You cannot perform this action because this Cloud SDK installation is 

+     managed by an external package manager. If you would like to get the

+     latest version, please see our main download page at:

+

+     https://developers.google.com/cloud/sdk/

+

+     ERROR: (gcloud.components.update) The component manager is disabled for this installation

+    ```

+    -- If so, you will have to manually install Cloud SDK by doing the following

+    ```shell

+      $ # The following installs latest Cloud SDK and updates the PATH

+      $ # (Accept the default values when prompted)

+      $ curl https://sdk.cloud.google.com | bash

+      $ exec -l $SHELL

+      $ # Set the defaults. Pick the default GCE credentials when prompted (The service account

+      $ # name will have a name similar to: "xxx-compute@developer.gserviceaccount.com")

+      $ gcloud init

+    ``` 

+

 5. Install Google python client apis:

     - `‘$ sudo pip install --upgrade google-api-python-client’`

     -  **Note**: Do `$ sudo apt-get install python-pip` (or `$ easy_install -U pip`) if you do not have pip

diff --git a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
new file mode 100644
index 0000000000..c4c9f14513
--- /dev/null
+++ b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
@@ -0,0 +1,25 @@
+Stress Test client Specification

+=========================

+This document specifies the features a stress test client should implement in order to work with the stress testing framework. The stress test clients are executed against the existing interop test servers.

+

+**Requirements**

+--------------

+**1.** A stress test client should be able to repeatedly execute one or more of the existing 'interop test cases'. It may just be a wrapper around the existing interop test client. The exact command line arguments the client should support are listed in _Table 1_ below.

+

+**2.** The stress test client must implement a metrics server defined by _[metrics.proto](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto)_ and must expose _qps_ as a long-valued Gauge. The client can track the overall _qps_ in one Gauge or in multiple Gagues (for example: One per Channel or Stub). 

+ The framework periodically queries the _qps_ by calling the `GetAllGauges()` method (the framework assumes that all the returned Gauges are _qps_ Gauges) and uses this to determine if the stress test client is running or crashed or stalled.

+> *Note:* In this context, the term  _**qps**_  means _interop test cases per second_  (not _messages per second_ or _rpc calls per second_)

+

+

+**Table 1:** Command line arguments that should be supported by the stress test client.

+

+>_**Note** The current C++ [stress client](https://github.com/grpc/grpc/blob/master/test/cpp/interop/stress_test.cc) supports more flags than those listed here but those flags will soon be deprecated_|

+

+Parameter             |                    Description

+----------------------|---------------------------------

+`--server_address`    | The stress client should accept a list of server addresses in the following format:<br> ```<name_1>:<port_1>,<name_2>:<port_2>..<name_N>:<port_N>``` <br> _Note:_ `<name>` can be either server name or IP address.<br><br>_Type:_ string <br>_default:_ ```localhost:8080``` <br>_Example:_ ``foo.foobar.com:8080,bar.foobar.com:8080`` <br><br> Currently, the stress test framework only passes one server address to the client.

+`--test_cases`        |   List of test cases along with the relative weights in the following format:<br> `<testcase_1:w_1>,<testcase_2:w_2>...<testcase_n:w_n>`. <br> The test cases names are the same as those currently used by the interop clients<br><br>_Type:_ string <br>_Example:_ `empty_unary:20,large_unary:10,empty_stream:70` <br>(The stress client would then make `empty_unary` calls 20% of the time, `large_unary` calls 10% of the time and `empty_stream` calls 70% of the time.) <br>_Note:_ The weights need not add up to 100.

+`--test_duration-secs`      | The test duration in seconds. A value of -1 means that the test should run forever until forcefully terminated. <br>_Type:_ int <br>_default:_ -1

+`--num_channels_per_server` | Number of channels (i.e connections) to each server. <br> _Type:_ int <br> _default:_ 1 <br><br> _Note:_ Unfortunately, the term `channel` is used differently in `grpc-java` and `C based grpc`. In this context, this really means "number of connections to the server"

+`--num_stubs_per_channel `  | Number of client stubs per each connection to server.<br>_Type:_ int <br>_default:_ 1

+`--metrics_port`            | The port at which the stress client exposes [QPS metrics](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto). <br>_Type:_ int <br>_default:_ 8081

diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index bd652f2aa7..5f72b8c582 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -1094,7 +1094,7 @@
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
-    "name": "httpcli_format_request_test", 
+    "name": "http_parser_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1115,7 +1115,7 @@
     "flaky": false, 
     "gtest": false, 
     "language": "c", 
-    "name": "httpcli_parser_test", 
+    "name": "httpcli_format_request_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -1335,7 +1335,7 @@
     ], 
     "cpu_cost": 1.0, 
     "exclude_configs": [], 
-    "flaky": false, 
+    "flaky": true, 
     "gtest": false, 
     "language": "c", 
     "name": "mlog_test", 
@@ -15226,688 +15226,6 @@
       "bad_hostname"
     ], 
     "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "binary_metadata"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "call_creds"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_accept"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_client_done"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_after_invoke"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_before_invoke"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_in_a_vacuum"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "cancel_with_status"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "compressed_payload"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "empty_batch"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "graceful_server_shutdown"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "high_initial_seqno"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
-    "platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "hpack_size"
-    ], 
-    "ci_platforms": [
-      "windows", 
-      "linux", 
-      "mac", 
-      "posix"
-    ], 
-    "cpu_cost": 1.0, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "h2_uchannel_test", 
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       "linux", 
       "mac", 
       "posix"
@@ -24384,666 +23702,6 @@
       "bad_hostname"
     ], 
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-      "linux", 
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